2912249990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{251707}}^1$

素因数の和:251816

約数の個数: 32

約数和(自身を含む): 5708737440

約数和(自身を除く): 2796487450

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 251707, 503414, 1258535, 2517070, 3272191, 6544382, 16360955, 22401923, 32721910, 44803846, 112009615, 224019230, 291224999, 582449998, 1456124995, 2912249990]

約数ペア:

[(1, 2912249990), (2, 1456124995), (5, 582449998), (10, 291224999), (13, 224019230), (26, 112009615), (65, 44803846), (89, 32721910), (130, 22401923), (178, 16360955), (445, 6544382), (890, 3272191), (1157, 2517070), (2314, 1258535), (5785, 503414), (11570, 251707)]